Christopher Wren | Holly Willoughby | Willoughby | Wren | Wren's Nest | Gilbert Heathcote-Drummond-Willoughby, 1st Earl of Ancaster | City of Willoughby | Willoughby on the Wolds | John Wren | Wren and Gurney | Willoughby Shortland | Willoughby, Ohio | Willoughby, Lincolnshire | Thomas Willoughby (MP) | Thomas Willoughby | Taiwan Wren-babbler | Robert Willoughby, 6th Baron Willoughby de Eresby | Robert Willoughby | Percival Willoughby | Patricia N. Willoughby | John Verney, 20th Baron Willoughby de Broke | Inca Wren | Eurasian Wren | Claud Heathcote-Drummond-Willoughby | Canyon Wren | Amy Wren | Wren (Royal Navy) | Wren Library | Willoughby Smith | Willoughby Lost Nation Municipal Airport |
The series, featuring characters such as Willoughby Wren and Superkatt, is notable as being the last theatrical animated series produced in black-and-white.
The short features the character of a diminutive, weak man named Willoughby Wren, who finds he is granted super-strength by wearing a cap woven from the hair of Samson.